package com.njupt.swg.threadstudyjimin.item04.atomic;

import java.util.concurrent.atomic.AtomicReference;

public class atomicReferenceTest {

    private static AtomicReference<Integer> count = new AtomicReference<Integer>(0);

    public static void main(String[] args) {
        count.compareAndSet(0,2);//2
        count.compareAndSet(0,1);//no
        count.compareAndSet(1,3);//no
        count.compareAndSet(2,4);//4
        count.compareAndSet(3,5);//no

        System.out.println(count.get());//4
    }
}
